test/aoj/DSL_3_D.test.cpp

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• Last update: 2020-10-27 12:55:52+09:00
• Problem: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_3_D

Depends on

• datastructure/rangeslide.cpp

Code

// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_3_D

#include <bits/stdc++.h>
using namespace std;

#define call_from_test
#include "../../datastructure/rangeslide.cpp"
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  int n,l;
  cin>>n>>l;
  vector<int> as(n);
  for(int i=0;i<n;i++) cin>>as[i];

  auto cmp=[](int a,int b){return a<b;};
  RangeSlide<int, decltype(cmp)> rs(as,cmp);

  for(int i=0;i+l<=n;i++) rs.add_range(i,i+l);
  auto res=rs.build();
  for(int i=0;i+l<=n;i++){
    if(i) cout<<" ";
    cout<<as[res[i]];
  }
  cout<<endl;
  return 0;
}

#line 1 "test/aoj/DSL_3_D.test.cpp"
// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_3_D

#include <bits/stdc++.h>
using namespace std;

#define call_from_test
#line 1 "datastructure/rangeslide.cpp"

#line 3 "datastructure/rangeslide.cpp"
using namespace std;
#endif
//BEGIN CUT HERE
template<typename T, typename F>
struct RangeSlide{
  vector<size_t> ls,rs;
  vector<T> vs;
  F cmp;
  RangeSlide(vector<T> vs,F cmp):vs(vs),cmp(cmp){}

  void add_range(size_t l,size_t r){
    ls.emplace_back(l);
    rs.emplace_back(r);
  }

  vector<size_t> build(){
    deque<size_t> deq;
    vector<size_t> res;
    for(size_t i=0,l=0,r=0;i<ls.size();i++){
      if(r<=ls[i]){
        deq.clear();
        l=r=ls[i];
      }
      while(r<rs[i]){
        while(!deq.empty() and
              !cmp(vs[deq.back()],vs[r])) deq.pop_back();
        deq.emplace_back(r++);
      }
      while(l<ls[i]){
        if(deq.front()==l++) deq.pop_front();
      }
      res.emplace_back(deq.front());
    }
    return res;
  }
};
//END CUT HERE
#ifndef call_from_test
//INSERT ABOVE HERE
signed main(){
  return 0;
}
#endif
#line 8 "test/aoj/DSL_3_D.test.cpp"
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  int n,l;
  cin>>n>>l;
  vector<int> as(n);
  for(int i=0;i<n;i++) cin>>as[i];

  auto cmp=[](int a,int b){return a<b;};
  RangeSlide<int, decltype(cmp)> rs(as,cmp);

  for(int i=0;i+l<=n;i++) rs.add_range(i,i+l);
  auto res=rs.build();
  for(int i=0;i+l<=n;i++){
    if(i) cout<<" ";
    cout<<as[res[i]];
  }
  cout<<endl;
  return 0;
}

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